Bigdata, Hadoop ecosystem, Semantic IoT등의 프로젝트를 진행중에 습득한 내용을 정리하는 곳입니다.
필요한 분을 위해서 공개하고 있습니다.
문의사항은 gooper@gooper.com로 메일을
보내주세요.
oracle db로 export하려고 ojdbc6.jar를 받아서 sqoop/lib에 넣었는데(sqoop문서에서는 여기에 넣으라고 함)..
driver를 못찾는 오류가 발생해서 hadoop/lib에 넣어서 실행하면 driver오류가 발생하지 않음.
-------------------------------오류내용----------------------------------------
hadoop@bigdata-host:~/sqoop/bin$ sqoop export --connect jdbc:oracle:thin:@//192.168.0.143:1521/orcl --table TB_DM_101010 --export-dir /data1/cas/output/s1/2014/05/14
Warning: /usr/lib/hcatalog does not exist! HCatalog jobs will fail.
Please set $HCAT_HOME to the root of your HCatalog installation.
14/05/15 14:45:18 INFO manager.SqlManager: Using default fetchSize of 1000
14/05/15 14:45:18 INFO tool.CodeGenTool: Beginning code generation
14/05/15 14:45:18 ERROR sqoop.Sqoop: Got exception running Sqoop: java.lang.RuntimeException: Could not load db driver class: oracle.jdbc.OracleDriver
java.lang.RuntimeException: Could not load db driver class: oracle.jdbc.OracleDriver
at org.apache.sqoop.manager.OracleManager.makeConnection(OracleManager.java:279)
at org.apache.sqoop.manager.GenericJdbcManager.getConnection(GenericJdbcManager.java:52)
at org.apache.sqoop.manager.SqlManager.execute(SqlManager.java:660)
at org.apache.sqoop.manager.SqlManager.execute(SqlManager.java:683)
at org.apache.sqoop.manager.SqlManager.getColumnTypesForRawQuery(SqlManager.java:240)
at org.apache.sqoop.manager.SqlManager.getColumnTypes(SqlManager.java:223)
at org.apache.sqoop.manager.ConnManager.getColumnTypes(ConnManager.java:347)
at org.apache.sqoop.orm.ClassWriter.getColumnTypes(ClassWriter.java:1277)
at org.apache.sqoop.orm.ClassWriter.generate(ClassWriter.java:1089)
at org.apache.sqoop.tool.CodeGenTool.generateORM(CodeGenTool.java:96)
at org.apache.sqoop.tool.ExportTool.exportTable(ExportTool.java:64)
at org.apache.sqoop.tool.ExportTool.run(ExportTool.java:100)
at org.apache.sqoop.Sqoop.run(Sqoop.java:145)
at org.apache.hadoop.util.ToolRunner.run(ToolRunner.java:65)
at org.apache.sqoop.Sqoop.runSqoop(Sqoop.java:181)
at org.apache.sqoop.Sqoop.runTool(Sqoop.java:220)
at org.apache.sqoop.Sqoop.runTool(Sqoop.java:229)
at org.apache.sqoop.Sqoop.main(Sqoop.java:238)
